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Finding the Fourth Proportional to 539,121.60, 808,682.40 and 532,123.20

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Solution

The fourth proportional to 539,121.60, 808,682.40 and 532,123.20 is: 798,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,121.60 : 808,682.40 = 532,123.20 : x
  2. Step 2: Convert to fraction form
    539,121.60/808,682.40 = 532,123.20/x
  3. Step 3: Cross multiply
    539,121.60x = 808,682.40 × 532,123.20
  4. Step 4: Simplify right side
    539,121.60x = 430,318,666,471.68
  5. Step 5: Solve for x
    x = 430,318,666,471.68/539,121.60
  6. Step 6: Final answer
    x = 798,184.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.